HEYZO-0869 - Innocent Wife's Dark History Rei Mizuna . The story is about a younger brother who went to his older brother's house to play and saw his sister-in-law being so chubby, so he craved it. The sister-in-law seemed very happy and welcomed him warmly, and then when his brother went out, he inserted the device into the sister-in-law's pigtails and started pressing the button, making her moan softly. And then he was afraid to braid and squeeze his sister-in-law's breasts, but right at the climax, his brother returned, so he couldn't do anything anymore. After that, he could only secretly watch his brother finish his work because his sister-in-law was horny all this time :-"...